A Distributed Inter-Cell Interference Coordination Scheme between Femtocells in LTE-Advanced Networks

Hu, Fanglong; Zheng, Kan; Lei, Lei; Wang, Wenbo

doi:10.1109/vetecs.2011.5956368

Cited by 10 publications

(5 citation statements)

References 4 publications

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“…For details and a more comprehensive introduction of HetNet, readers may refer to [92][93][94][95][96][97][98]. More specifically, studies on different aspects of the Pico and Femto cell deployments in LTE-Advanced networks can be found in [99][100][101][102][103][104][105] and [106][107][108][109][110][111][112][113][114][115][116][117][118][119][120][121][122][123][124] respectively. Small cells increase the capacity of the networks with an acceptable overall power consumption increase.…”

Section: Overviewmentioning

confidence: 99%

LTE-Advanced Radio Access Enhancements: A Survey

Dehghani

Arshad

MacKenzie

2014

Wireless Pers Commun

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Long Term Evolution Advanced (LTE-Advanced) is the next step in LTE evolution and allows operators to improve network performance and service capabilities through smooth deployment of new techniques and technologies. LTE-Advanced uses some new features on top of the existing LTE standards to provide better user experience and higher throughputs. Some of the most significant features introduced in LTE-Advanced are carrier aggregation, enhancements in heterogeneous networks, coordinated multipoint transmission and reception, enhanced Multiple Input Multiple Output (MIMO) usage and deployment of relay nodes in the radio network. Mentioned features are mainly aimed to enhance the radio access part of the cellular networks. This survey article presents an overview of the key radio access features and functionalities of the LTE-Advanced radio access network, supported by the simulation results. We also provide a detailed review of the literature together with a very rich list of the references for each of the features. An LTE-Advanced roadmap and the latest updates and trends in LTE markets are also presented.

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Section: Overviewmentioning

confidence: 99%

LTE-Advanced Radio Access Enhancements: A Survey

Dehghani

Arshad

MacKenzie

2014

Wireless Pers Commun

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“…Authors provide a hashing scheme based resource allocation for femtocells which does not require coordination. In , coordination‐based co‐layer interference avoidance and adaptive frequency reuse (AFR) algorithms are proposed. It begins with orthogonal resource allocation to femtocells and then, coordination‐based resource reuse is deployed to improve spectrum efficiency.…”

Section: Related Workmentioning

confidence: 99%

“…In this section, we illustrate our proposed modification to the existing AFR scheme, and we call it adaptive frequency reuse (AFR) with power control . The existing AFR scheme achieves coordination‐based co‐layer interference avoidance, where the neighboring femtocells use nonoverlapping resources initially. Later, femtocells attempt to reuse the resources by coordinating with neighbors to improve resource utilization efficiency.…”

Section: System Model and Proposed Resource Allocation Schemesmentioning

confidence: 99%

“…However, limited literature is available to address the problem of co‐layer interference. In and , authors have proposed schemes, which begin with an orthogonal allocation amongst the co‐layer femtocells. Then, they apply different variants of adaptive reuse schemes to increase resource utilization efficiency based on either power control or coordination between neighboring femto BSs.…”

Section: Introductionmentioning

confidence: 99%

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A self‐organized resource allocation scheme for heterogeneous macro‐femto networks

Mehta

Rane

Karandikar

et al. 2014

Wireless Communications

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This paper investigates the radio resource management (RRM) issues in a heterogeneous macro-femto network. The objective of femto deployment is to improve coverage, capacity, and experienced quality of service of indoor users. The location and density of user-deployed femtos is not known a-priori. This makes interference management crucial. In particular, with co-channel allocation (to improve resource utilization efficiency), RRM becomes involved because of both cross-layer and co-layer interference. In this paper, we review the resource allocation strategies available in the literature for heterogeneous macro-femto network. Then, we propose a self-organized resource allocation (SO-RA) scheme for an orthogonal frequency division multiple access based macro-femto network to mitigate co-layer interference in the downlink transmission. We compare its performance with the existing schemes like Reuse-1, adaptive frequency reuse (AFR), and AFR with power control (one of our proposed modification to AFR approach) in terms of 10 percentile user throughput and fairness to femto users. The performance of AFR with power control scheme matches closely with Reuse-1, while the SO-RA scheme achieves improved throughput and fairness performance. SO-RA scheme ensures minimum throughput guarantee to all femto users and exhibits better performance than the existing state-of-the-art resource allocation schemes. © 2014 John Wiley & Sons, Ltd

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“…As for CA-based HetNet, adaptive component carrier assignment scheme is mostly considered. In [8], a distributed interference coordination scheme for femtocells with CA was proposed. Each femtocell operates on all the component carriers of the network initially, and then decides whether maintain the component carrier on each component carrier individually based on local measurements.…”

Section: Introductionmentioning

confidence: 99%